CommunityID/modules/default/controllers/OpenidController.php

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<?php
/*
* @copyright Copyright (C) 2005-2010 Keyboard Monkeys Ltd. http://www.kb-m.com
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* @license http://creativecommons.org/licenses/BSD/ BSD License
* @author Keyboard Monkey Ltd
* @since CommunityID 0.9
* @package CommunityID
* @packager Keyboard Monkeys
*/
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class OpenidController extends CommunityID_Controller_Action
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{
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protected $_numCols = 1;
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public function providerAction()
{
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$server = $this->_getOpenIdProvider();
$request = $server->decodeRequest();
$sites = new Model_Sites();
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if (!$request) {
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$this->_helper->viewRenderer->setNeverRender(true);
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$this->_response->setRawHeader('HTTP/1.0 403 Forbidden');
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Zend_Registry::get('logger')->log("OpenIdController::providerAction: FORBIDDEN", Zend_Log::DEBUG);
echo $this->view->translate('Forbidden');
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return;
}
// association and other transactions, handled automatically by the framework
if (!in_array($request->mode, array('checkid_immediate', 'checkid_setup'))) {
return $this->_sendResponse($server, $server->handleRequest($request));
}
// can't process immediate requests if user is not logged in
if ($request->immediate && $this->user->role == Users_Model_User::ROLE_GUEST) {
return $this->_sendResponse($server, $request->answer(false));
}
$trustRoot = $this->_getTrustRoot($request);
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if ($request->idSelect()) {
if ($this->user->role == Users_Model_User::ROLE_GUEST) {
$this->_forward('login');
} else {
if ($sites->isTrusted($this->user, $trustRoot)) {
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$this->_forward('proceed', null, null, array('allow' => true));
} elseif ($sites->isNeverTrusted($this->user, $trustRoot)) {
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$this->_forward('proceed', null, null, array('allow' => false));
} else {
if ($request->immediate) {
return $this->_sendResponse($server, $request->answer(false));
}
$this->_forward('trust');
}
}
} else {
if (!$request->identity) {
die('No identifier sent by OpenID relay');
}
if ($this->user->role == Users_Model_User::ROLE_GUEST) {
$this->_forward('login');
} else {
// user is logged-in already. Check the requested identity is his
if ($this->user->openid != $request->identity) {
Zend_Auth::getInstance()->clearIdentity();
if ($this->immediate) {
return $this->_sendResponse($server, $request->answer(false));
}
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$this->_forward('login');
return;
}
// Check if max_auth_age is requested through the PAPE extension
require_once 'libs/Auth/OpenID/PAPE.php';
if ($papeRequest = Auth_OpenID_PAPE_Request::fromOpenIDRequest($request)) {
$extensionArgs = $papeRequest->getExtensionArgs();
if (isset($extensionArgs['max_auth_age'])
&& $extensionArgs['max_auth_age'] < $this->user->getSecondsSinceLastLogin())
{
$this->_forward('login');
return;
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}
}
if ($sites->isTrusted($this->user, $trustRoot)) {
$this->_forward('proceed', null, null, array('allow' => true));
} elseif ($sites->isNeverTrusted($this->user, $trustRoot)) {
$this->_forward('proceed', null, null, array('deny' => true));
} else {
$this->_forward('trust');
}
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}
}
}
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/**
* We don't use the session with the login form to simplify the dynamic appearance of the captcha
*/
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public function loginAction()
{
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$server = $this->_getOpenIdProvider();
$request = $server->decodeRequest();
$this->view->yubikey = $this->_config->yubikey;
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$authAttempts = new Users_Model_AuthAttempts();
$attempt = $authAttempts->get();
$this->view->useCaptcha = $attempt && $attempt->surpassedMaxAllowed();
$this->view->form = new Form_OpenidLogin(null, $this->view->base, $attempt && $attempt->surpassedMaxAllowed());
if ($this->_getParam('invalidCaptcha')) {
$this->view->form->captcha->addError($this->view->translate('Captcha value is wrong'));
}
if ($this->_getParam('invalidLogin')) {
$this->view->form->addError($this->view->translate('Invalid credentials'));
}
if ($request->idSelect()) {
$this->view->identity = false;
$this->view->form->openIdIdentity->setRequired(true);
} else {
$this->view->identity = $request->identity;
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}
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$this->view->queryString = $this->_queryString();
if ($this->user->role == Users_Model_User::ROLE_GUEST && @$_COOKIE['image']) {
$images = new Users_Model_SigninImages();
$this->view->image = $images->getByCookie($_COOKIE['image']);
} else {
$this->view->image = false;
}
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}
public function authenticateAction()
{
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$server = $this->_getOpenIdProvider();
$request = $server->decodeRequest();
$authAttempts = new Users_Model_AuthAttempts();
$attempt = $authAttempts->get();
$form = new Form_OpenidLogin(null, $this->view->base, $attempt && $attempt->surpassedMaxAllowed());
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$formData = $this->_request->getPost();
$form->populate($formData);
if (!$form->isValid($formData)) {
$formErrors = $form->getErrors();
// gotta resort to pass errors as params because we don't use the session here
if (@$formErrors['captcha']) {
$this->_forward('login', null, null, array('invalidCaptcha' => true));
} else {
$this->_forward('login');
}
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return;
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}
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$users = new Users_Model_Users();
$result = $users->authenticate(
$request->idSelect()? $form->getValue('openIdIdentity') : $request->identity,
$this->_config->yubikey->enabled && $this->_config->yubikey->force?
$form->getValue('yubikey')
: $form->getValue('password'),
true,
$this->view
);
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if ($result) {
if ($attempt) {
$attempt->delete();
}
$sites = new Model_Sites();
$trustRoot = $this->_getTrustRoot($request);
if ($sites->isTrusted($users->getUser(), $trustRoot)) {
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$this->_forward('proceed', null, null, array('allow' => true));
} elseif ($sites->isNeverTrusted($users->getUser(), $trustRoot)) {
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$this->_forward('proceed', null, null, array('deny' => true));
} else {
$this->_forward('trust');
}
} else {
if (!$attempt) {
$authAttempts->create();
} else {
$attempt->addFailure();
$attempt->save();
}
$this->_forward('login', null, null, array('invalidLogin' => true));
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}
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}
public function trustAction()
{
$server = $this->_getOpenIdProvider();
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$request = $server->decodeRequest();
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$this->view->siteRoot = $this->_getTrustRoot($request);
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$this->view->identityUrl = $this->user->openid;
$this->view->queryString = $this->_queryString();
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$this->view->showProfileForm = $this->_hasSreg($request);
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}
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public function proceedAction()
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{
// needed for unit tests
$this->_helper->layout->disableLayout();
$this->_helper->viewRenderer->setNeverRender(true);
$server = $this->_getOpenIdProvider();
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$request = $server->decodeRequest();
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if ($request->idSelect()) {
$id = $this->user->openid;
} else {
$id = null;
}
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$response = $request->answer(true, null, $id);
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if ($this->_hasSreg($request)
// profileId will be null if site is already trusted
&& $this->_getParam('profileId')) {
$profiles = new Users_Model_Profiles();
$profile = $profiles->getRowInstance($this->_getParam('profileId'));
$personalInfoForm = Users_Form_PersonalInfo::getForm($request, $profile);
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$formData = $this->_request->getPost();
$personalInfoForm->populate($formData);
// not planning on validating stuff here yet, but I call this
// for the date element to be filled properly
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$foo = $personalInfoForm->isValid($formData);
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$sregResponse = Auth_OpenID_SRegResponse::extractResponse(
$personalInfoForm->getSregRequest(),
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$personalInfoForm->getUnqualifiedValues());
$sregResponse->toMessage($response->fields);
}
$trustRoot= $this->_getTrustRoot($request);
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if ($this->_getParam('allow')) {
if ($this->_getParam('forever')) {
$sites = new Model_Sites();
$sites->deleteForUserSite($this->user, $trustRoot);
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$siteObj = $sites->createRow();
$siteObj->user_id = $this->user->id;
$siteObj->site = $trustRoot;
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$siteObj->creation_date = date('Y-m-d');
if (isset($personalInfoForm)) {
$trusted = array();
// using this key name for BC pre 1.1 when we used Zend_OpenId
$trusted['Zend_OpenId_Extension_Sreg'] = $personalInfoForm->getUnqualifiedValues();
} else {
$trusted = true;
}
$siteObj->trusted = serialize($trusted);
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$siteObj->save();
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}
$this->_saveHistory($trustRoot, Model_History::AUTHORIZED);
require_once 'libs/Auth/OpenID/PAPE.php';
if ($papeRequest = Auth_OpenID_PAPE_Request::fromOpenIDRequest($request)) {
$this->_processPape($papeRequest, $response);
}
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$webresponse = $server->encodeResponse($response);
foreach ($webresponse->headers as $k => $v) {
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if ($k == 'location') {
$this->_response->setRedirect($v);
} else {
$this->_response->setHeader($k, $v);
}
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}
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$this->_response->setHeader('Connection', 'close');
$this->_response->appendBody($webresponse->body);
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} elseif ($this->_getParam('deny')) {
if ($this->_getParam('forever')) {
$sites = new Model_Sites();
$sites->deleteForUserSite($this->user, $trustRoot);
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$siteObj = $sites->createRow();
$siteObj->user_id = $this->user->id;
$siteObj->site = $trustRoot;
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$siteObj->creation_date = date('Y-m-d');
$siteObj->trusted = serialize(false);
$siteObj->save();
}
$this->_saveHistory($trustRoot, Model_History::DENIED);
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return $this->_sendResponse($server, $request->answer(false));
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}
}
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private function _saveHistory($site, $result)
{
$histories = new Model_Histories();
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$history = $histories->createRow();
$history->user_id = $this->user->id;
$history->date = date('Y-m-d H:i:s');
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$history->site = $site;
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$history->ip = $_SERVER['REMOTE_ADDR'];
$history->result = $result;
$history->save();
}
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private function _sendResponse(Auth_OpenID_Server $server, Auth_OpenID_ServerResponse $response)
{
$this->_helper->layout->disableLayout();
$this->_helper->viewRenderer->setNeverRender(true);
$webresponse = $server->encodeResponse($response);
if ($webresponse->code != AUTH_OPENID_HTTP_OK) {
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$this->_response->setRawHeader(sprintf("HTTP/1.1 %d ", $webresponse->code), true, $webresponse->code);
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}
foreach ($webresponse->headers as $k => $v) {
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if ($k == 'location') {
$this->_response->setRedirect($v);
} else {
$this->_response->setHeader($k, $v);
}
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}
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$this->_response->setHeader('Connection', 'close');
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$this->_response->appendBody($webresponse->body);
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}
private function _getTrustRoot(Auth_OpenID_Request $request)
{
$trustRoot = $request->trust_root;
Zend_OpenId::normalizeUrl($trustRoot);
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return $trustRoot;
}
private function _hasSreg(Auth_OpenID_Request $request)
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{
// The class Auth_OpenID_SRegRequest is included in the following file
require_once 'libs/Auth/OpenID/SReg.php';
$sregRequest = Auth_OpenID_SRegRequest::fromOpenIDRequest($request);
$props = $sregRequest->allRequestedFields();
return (is_array($props) && count($props) > 0);
}
private function _processPape(Auth_OpenID_PAPE_Request $papeRequest, $response)
{
if (($image = $this->user->getImage()) && @$_COOKIE['image']) {
$cidSupportedPolicies = array(PAPE_AUTH_PHISHING_RESISTANT);
if ($RPPreferredTypes = $papeRequest->preferredTypes($cidSupportedPolicies)) {
$this->user->getLastLoginUtc();
$papeResponse = new Auth_OpenID_PAPE_Response(
$cidSupportedPolicies,
$this->user->getLastLoginUtc()
);
$papeResponse->toMessage($response->fields);
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}
}
}
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}